Monotremata

Mon`o*trem"a*ta

(?),
n. pl. [NL., fr. Gr. mo`nos single + hole.]
(Zol.) A subclass of Mammalia, having a cloaca in which the ducts of the urinary, genital, and alimentary systems terminate, as in birds. The female lays eggs like a bird. See
Duck mole, under Duck, and Echidna.
[1913 Webster]

New - Add Dictionary Search to Your Site

You can add a free dictionary search box to your own web site by copying and pasting
the following HTML into one of your web pages: